Area Forecast Discussion
Issued by NWS Knoxville/Tri Cities, TN

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000
FXUS64 KMRX 281505
AFDMRX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
1105 AM EDT FRI AUG 28 2015

.DISCUSSION...
PERSISTENT STRATOCUMULUS DECK OVER KCHA AREA THIS MORNING AS
RETURN FLOW HAS STARTED...BUT CHANNEL OF MOISTURE PROBABLY NOT
STRONG ENOUGH TO HOLD OFF DIURNAL MIXING THAT IS EXPECTED TO
SCATTER IT OUT BY EARLY AFTERNOON. SO MAX TEMP AND AFTERNOON SKY
COVER PRESENTLY IN FORECAST LOOK FINE.

WILL INSERT SOME LOW OPS IN THE MOUNTAINS...GOOD BUILD-UPS ALREADY
OVER THE RIDGELINES IN THE SMOKIES...WILL JUST HAVE AS SHOWERS FOR
NOW AS CAPE VALUES ARE VERY LOW. WILL NOT EXTEND THESE POPS INTO
THE EVENING...AS SURFACE HEATING IS KEY TO DEVELOPMENT...AND ANY
DEVELOPING SHOWERS WILL LIKELY FALL APART PRIOR TO SUNSET. STEERING
FLOW SHOULD KEEP ANY MOUNTAIN CONVECTION AWAY FROM VALLEY...THIS
FLOW ALBEIT WEAK... GENERALLY HAS A WEST-TO-EAST COMPONENT FOR THIS
AFTERNOON.

&&

.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN             87  68  86  69 /   0  10  30  30
KNOXVILLE MCGHEE TYSON AIRPORT, TN  85  67  86  66 /   0  10  20  20
OAK RIDGE, TN                       86  66  85  67 /   0  10  20  20
TRI CITIES AIRPORT, TN              84  59  84  62 /   0  10  20  20

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
TN...NONE.
VA...NONE.
&&

$$

GM



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